What kinds of homes are in Castaic, CA?

Name: Types of homes in Castaic, CA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Castaic, CA has 5,865 (±266) homes (2020–2024 American Community Survey).

That is about 808 homes per square mile of land.

84.5% are detached single-family houses.

0.7% are in buildings of two to four units.

10.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 5,865 (±266)
Detached houses: 84.5%
2–4 unit buildings: 0.7%
5+ unit buildings: 10.4%

Homes in Castaic by building size

Housing units by units in structure, 2020–2024
Building type	Castaic	Los Angeles County	California	United States
Single-family, detached	84.5% (±2.6 points)	47.3%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	1.1% (±0.8 points)	6.6%	7.4%	6.2%
2 units	0.7% (±0.6 points)	2.6%	2.4%	3.4%
3 or 4 units	0.0% (±0.7 points)	5.9%	5.4%	4.3%
5 to 9 units	3.0% (±2.0 points)	7.8%	5.7%	4.5%
10 to 19 units	1.8% (±1.4 points)	7.6%	4.9%	4.3%
20 or more units	5.6% (±2.0 points)	20.5%	13.6%	10.3%
Mobile home	3.1% (±1.5 points)	1.6%	3.5%	5.6%
Boat, RV, van, etc.	0.2% (±0.3 points)	0.1%	0.1%	0.1%

In Castaic, the share of homes in buildings of five or more units is lower than in Los Angeles County (35.9%).

It is also lower than in California (24.2%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Castaic

Nearest places with a published estimate, compared with Castaic
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Castaic	—	10.4% (±3.2 points)	—
Hasley Canyon	2.0 mi	0.0% (±18.2 points)	Not measurably different
Val Verde	2.9 mi	0.0% (±7.8 points)	Lower
Stevenson Ranch	6.8 mi	22.0% (±4.9 points)	Higher
Santa Clarita	8.6 mi	19.9% (±1.4 points)	Higher
Piru	11 mi	2.0% (±6.7 points)	Lower
Santa Susana	15 mi	0.0% (±13.3 points)	Not measurably different
Simi Valley	16 mi	12.9% (±1.2 points)	Not measurably different
Fillmore	17 mi	6.7% (±2.9 points)	Not measurably different

Nearby places with a measurably lower figure: Val Verde, CA (0.0%), Piru, CA (2.0%).

Nearby places with a measurably higher figure: Stevenson Ranch, CA (22.0%), Santa Clarita, CA (19.9%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Los Angeles County, place by place

Rank	Place	Homes in buildings of 5 or more units
85	Compton	11.8% (±1.5 points)
86	Carson	11.6% (±1.9 points)
87	Agoura Hills	11.3% (±2.8 points)
88	La Verne	11.2% (±2.7 points)
89	East Los Angeles	11.0% (±1.2 points)
90	San Fernando	10.5% (±3.1 points)
91 (tie)	Castaic	10.4% (±3.2 points)
91 (tie)	East Rancho Dominguez	10.4% (±3.9 points)
93	Diamond Bar	10.2% (±2.0 points)
94	South El Monte	9.6% (±2.7 points)
95	West Whittier-Los Nietos	9.3% (±2.8 points)
96	Rosemead	9.0% (±1.5 points)
97	Manhattan Beach	8.9% (±3.0 points)

Showing 13 of 140 places in Los Angeles County, ranked from highest to lowest.

Castaic is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

What you can do on Seayora in Castaic

One account for renting, owning, managing and fixing homes, with these figures beside you.

Own or manage a rental?

List it, sign the lease and collect rent online, with the figures for Castaic beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

Browse homes for rent near Castaic, save the ones you like and apply online.

Browse rentals · Create a renter account

Do repairs, renovations or maintenance?

Get found by owners and renters near Castaic, and send estimates and invoices from your phone.

Join as a pro · Find a pro

Questions about Castaic

How many homes are in Castaic?

Castaic, CA has an estimated 5,865 (±266) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Castaic houses or apartments?

84.5% are detached houses and 1.1% attached houses, while 11.1% are in buildings of two or more units.

How many two-family and small multifamily homes are in Castaic?

0.7% of homes in Castaic are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Castaic CDP, California

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Castaic CDP, California (place:11796, in state:06).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.